Math Notes Chp.4-5 Flashcards
Unit rate
A rate in which the second quantity in the comparison is one unit.
Equivalent ratios
Ratios that name the same comparison.
Proportion
An equation that states that two ratios are equivalent.
Cross product
The product of numbers on the diagonal when comparing two ratios.
Coordinate planes
A plane formed by the intersection of a horizontal number line called the x-axis and a vertical number line called the y-axis.
x-axis
The horizontal axis on a coordinate plane.
y-axis
The vertical axis on a coordinate plane.
Origin
The point were the x-axis and the y-axis intersect on the coordinate plane;(0,0).
Quadrant
The x- and y-axis divide the coordinate planes into four regions. Each region is called a quadrant.
Ordered pair
A pair of numbers that can be used to locate a point on a coordinate plane.
Rate
A ratio that compares two quantities measured in different units.